addrbookFor publishers
← The evidence ledger

Evidence row 124917

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://x402-apis.pages.dev/v1/inflation
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
1154dab5c986b4bba3a7a941691fec5e4f19b9b341123296907d6fff00638b34
Leaf
0xbcb541db23d31b922e3ad4ea6ac41cf684866a43f2b33d7fb56a7c9224f1fb4a

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-apis.pages.dev/v1/inflation"
    ]
  ],
  "name": "Official Macro & FX Data",
  "owner_address": "0x896babcda513322af2218fe7346353846835f978",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 60,
        "network": "eip155:8453",
        "payTo": "0x896baBcda513322AF2218fe7346353846835f978",
        "scheme": "exact"
      }
    ],
    "description": "Use when an agent needs the official inflation rate (year-on-year consumer prices) for a country: Eurostat HICP for the euro area, EU and 36 European countries (incl. CH, NO, TR) and US CPI-U from the Bureau of Labor Statistics. Latest month plus up to 36 months of history, flash estimates flagged. Source named in every answer. Bad input: HTTP 400 before payment; outage is not charged.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "country": "AT",
              "months": "12"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "country": "AT",
              "latest": {
                "annualRatePct": 3.3,
                "flag": "e",
                "month": "2026-09"
              },
              "measure": "HICP, annual rate of change (%)",
              "name": "Austria",
              "retrievedAt": "2026-10-13T15:10:00.000Z",
              "series": [
                {
                  "annualRatePct": 3.5,
                  "flag": null,
                  "month": "2026-08"
                },
                {
                  "annualRatePct": 3.3,
                  "flag": "e",
                  "month": "2026-09"
                }
              ],
              "source": "Eurostat – HICP (prc_hicp_minr)"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "country": {
                      "description": "2-letter code: EA, EU, AT, BE, BG, CY, CZ, DE, DK, EE, EL, ES, FI, FR, HR, HU, IE, IT, LT, LU, LV, MT, NL, PL, PT, RO, SE, SI, SK, IS, NO, CH, TR, AL, ME, MK, RS, XK, US. EA = euro area, EU = European Union.",
                      "type": "string"
                    },
                    "months": {
                      "description": "Number of months of history, 1-36. Default 12.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "country"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "country": {
                      "type": "string"
                    },
                    "latest": {
                      "type": "object"
                    },
                    "measure": {
                      "type": "string"
                    },
                    "series": {
                      "type": "array"
                    }
                  },
                  "required": [
                    "country",
                    "latest",
                    "series"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-23T22:50:41.901Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-23T22:50:41.525Z"
    },
    "resource": "https://x402-apis.pages.dev/v1/inflation",
    "serviceName": "Official Macro & FX Data",
    "tags": [
      "inflation",
      "cpi",
      "hicp",
      "eurostat",
      "bls"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent needs the official inflation rate (year-on-year consumer prices) for a country: Eurostat HICP for the euro area, EU and 36 European countries (incl. CH, NO, TR) and US CPI-U from the Bureau of Labor Statistics. Latest month plus up to 36 months of history, flash estimates flagged. Source named in every answer. Bad input: HTTP 400 before payment; outage is not charged."
}

What the leaf hashes

{"body":"1154dab5c986b4bba3a7a941691fec5e4f19b9b341123296907d6fff00638b34","id":124917,"kind":"listing","method":"baseline/1","observed_us":1793025625434463,"prev":null,"subject":"x402_bazaar:https://x402-apis.pages.dev/v1/inflation","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0xbcb5c2dd0b088068cada48dcb8bce919cad4f52b6843e8d9ecd086467d25a20a
  2. 0xeed92a724ab5ca3a4220278fb46bdb87ed59c9edf29e267ecf911f3da1972ecf
  3. 0x8f5844fd25dba12b13e0e49484aa51cd5bad056edc79899bec52912f25d582f1
  4. 0x337de650f0f7212d6b4f5ccae550271d41f17affdce53a31b00c456f73100852
  5. 0x4291e9a34e7049610878bba9741d1cb629327fc27da4488c035ccddf03ea8b07
  6. 0xe27db8c429e1a8cd4b3480c7714815691feb79bfc0d537eb33344b2b547886de
  7. 0x0da4e796ff0fccf9e73cc1273cc608d8ab2c14461b8060ac4a1fc55e80383746
  8. 0x3017433f53994ee5c817ca5228b1f79003124ca04579a1a8ade84b0710d72bc8
  9. 0x6740e058d40bad51176be383b2c6faff2d8446eb13d7c54f192b7c04c71d008c
  10. 0x7096a251f9a01cad132ba398ebbd4caf06e5ec3cf4c8bdc56a7f1285eabd682f
  11. 0x747da36f7781b2b20c53f35968bf28ef3b43376581ce1ca8987f1d7a2a347e61
  12. 0x571bf2cc487a35d2ef7662b375d1fa9179fe0f6cab6f6cebdb1a6113d25f3c92
  13. 0xd5b5bb5812612371a70171b2252d90e95bb0581ea5a3be198122adc8442e4f79
  14. 0xf692ce2b0a640ec9f75aa960e5fb1c2c7091a04e24881798735752c19014e519
  15. 0x9f68b5e15459cb62b8c0cd4c124fa61c74147b4a5755a200fbecd21a581635d1
  16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
  17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON